Letter re: first air mail service
New York Times
1926-05-15
TCU
Article re: North Pole flight
1926-05-10
Article re: early aviation
1928-09-19
Articles re: Byrd flight to South Pole
1929-11-30
Articles re: Lindbergh flight
1927-05-22
Articles re: North Pole flight
1926-05-12